Advanced Underground Equipment - Industry Directory Are you already on the list? Do you need to update your information? Click On the button below and Fill out the form to request edits to your listings or to be included in our Directory. Click Here Contact Admin [contact-form-7 id=”37131″ title=”Contact form”] Go back to directory. Add to Address Book. Advanced Underground Equipment Advanced Underground Equipment Contact: Cliff Wallgren Work 8415 South 700 West #16 Sandy UT 84070 work Work Phone: 800-325-6419work Work Fax: 801-655-6854workfax No Image Available